Weak localization, hole-hole interactions, and the "Metal"-insulator transition in two dimensions

@article{Simmons2000WeakLH,
  title={Weak localization, hole-hole interactions, and the "Metal"-insulator transition in two dimensions},
  author={Leigh W. Simmons and William David Hamilton and Rosemary Pepper and Edmund H. Linfield and David J. Rose and Marylyn D. Ritchie},
  journal={Physical review letters},
  year={2000},
  volume={84 11},
  pages={
          2489-92
        }
}
A detailed investigation of the metallic behavior in high-quality GaAs-AlGaAs two-dimensional hole systems reveals the presence of quantum corrections to the resistivity at low temperatures. Despite the low density ( r(s)>10) and high quality of these systems, both weak localization (observed via negative magnetoresistance) and weak hole-hole interactions (giving a correction to the Hall constant) are present in the so-called metallic phase where the resistivity decreases with decreasing… CONTINUE READING

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